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2/28/2011 8:48:03 AM EDT
[#1]
516.A65 here.

Purchased 5/10

No issues
3/2/2011 7:43:53 PM EDT
[#2]
511:   (unk early units):  
Had 3 that all drained batteries, even after repair, one with loss of zero issues.  Absolute crap.

512:  
Have 3.
2 Rev F.  No problems.
1 pre Rev F (possible E?).  Went back for reticle problems and was updated by EOTech.

XPS2-0.  
Have 2.  No Problems.
3/2/2011 10:43:40 PM EDT
[#3]
551 Rev F - No issues with about 2000 rounds over about 1.5 years

Hate the N battery though, wouldn't go that route if I had it do all over again.
Vini Vidi Vici
3/2/2011 11:16:20 PM EDT
[#4]
XPS2-0.  Had it for about a year.  
No battery drain issues
No battery door issues
No failures.

Possible zero drift, however cannot be certain this is the optic.  
Reticle sometimes isn't as crisp of a singular dot as I'd like, particularly when using a magnifier.
3/3/2011 12:00:43 AM EDT
[#5]
XPS2

no problems.
3/3/2011 10:18:21 AM EDT
[Last Edit: Hayseed_40][Edited] [#6]
All Rev F

511:  Battery Drain
512:  No prob
552:  No Prob
516:  No Prob
556:  No Prob

512, 516, and 556 used on duty.  Replaced duty with an Aimpoint.
3/3/2011 11:51:24 AM EDT
[#7]
xps 2-0
2010
no problems yets
3/4/2011 4:43:01 PM EDT
[#8]
XPS2-0

No issues.
"Nothing says 'I take it up the ass' like wearing women's pants." - kevthebassman


3/4/2011 5:42:40 PM EDT
[#9]
XPS 2.0 - No problems
3/4/2011 9:12:15 PM EDT
[Last Edit: Maryland_Shooter][Edited] [#10]
Several Eotechs, mostly 512 - the workhorse.  Issue with 1 I bought on EE.  L3 fixed it for free even though it was older than 2 years old (their normal warranty period).  The issue with that one was the display was fuzzy/splayed

Each was a Revision F - now each is 3+ years old.

NEVER had any issue at all with any - except the one mentioned above.

552 with the GGG quick mount = excellent, no issues.

Note - all mine use AA batteries.  I use Duracell.

ETA:
(3) 512 models - (the Eotech that I had the issue with arrived in the mail in that condition)
(1) 552
Beware Panopticon.
®¿®


http://marylandshooter.com/ar15/junkOne.asp (funny pics)

Thinking of an MI Rail? DON'T
http://marylandshooter.com/ar15/mi/mirailissue.asp
3/4/2011 11:34:47 PM EDT
[#11]
Had 2 512's don't know what revthey were.

The first one left after it proved to be a battery vampire, the second one left after it continued to turn off every time I shot it.  On the second sight the springs were replaced and it still continued to do it.

I'll get you a count of how many 511's our team has that are complete garbage.  Their all battery drainers even though they've been sent back for upgrades.
NRA Lifetime Member
Tennessee Squire

http://tacticallampworx.yolasite.com/

3/5/2011 2:07:16 AM EDT
[#12]
Well, I didn't have any problems until last weekend.
 
The batteries died and when I went to remove them, they were stuck.  

When they finally came out (pried out) , the spring terminals came out too.  

I managed to get them back in and the sight works, but I don't have real warm and fuzzies anymore.  

I know many high round count Eotechs can have this problem, and I guess I am not immune.  

552A65 rev. F
Circa 2004
3/5/2011 10:49:09 AM EDT
[#13]
511 rev. E no problems
(4+) 512 rev. F no problems

I still have one 512 F and its still going strong.... the others were only sold, traded off to fund a few ACOG purchases.
3/5/2011 10:58:41 AM EDT
[#14]
My XPS2-0 hasn't had any issues, but then it's fairly new. I'm happy with it.
3/10/2011 11:50:36 PM EDT
[#15]
EXPS 2-0 no issues at all manufacturing date of may 2010
3/11/2011 12:26:53 AM EDT
[#16]
512 Rev F

No issues before i sold it to a friend. He has had zero issues as well.
3/11/2011 8:24:06 AM EDT
[#17]
Overs the years:

511 with no problems (Prior to Rev F)
551 with no problems
512 delamination, but fixed by EOTECH
512 with no problems (recessed battery compartment model)  
552 with no problems
517 with no problems **only one I currently own**
3/11/2011 8:41:03 AM EDT
[#18]
511 no problems at all.  Love the thing.
ΜOΛΩΝ ΛΑΒΕ
“The object of war is not to die for your country but to make the other bastard die for his.” - Gen. GS Patton
Pie Fixes Everything
03FFL
PACK LARUE
TEAM RANSTAD
3/11/2011 9:05:22 AM EDT
[#19]
2 512s over 4 years no issues.  I use Hybrid rechargeable batteries.  Old Holosight XLP have to use triple A Energizers, rechargeable batteries will not work in this unit for some reason.  It emits a low hum even when turned off, the 512s don't!
I may be old, but I'm very immature!
3/18/2011 1:20:31 PM EDT
[#20]
I had a 512 Rev F for about 3 years. Back in January it stopped working, when I opened it up I found one of the Duracell Alkaline AA's had leaked into the sight and it no longer functioned correctly. I filled out an online form at P&G who owns Duracell, they promptly replied and sent me packing materials to ship them the 512 and bad batteries. I just today received a check for full replacement value of the sight based on what I paid for it, and a letter stating that they couldn't find anything wrong with the batteries, that it had vented as designed if overheated or had too much current drawn from it. However as a gesture of goodwill they were replacing the damaged sight. The AR had been sitting in the safe for about a month so I don't know what happened, but I do know that Duracell AKA P&G has great customer service.

Now I just need to decide what to replace the 512 with.
3/18/2011 4:16:09 PM EDT
[#21]
I've been running with the XPS2-0 since last month (2/11) and have had no issues. I'll get another unit for a different weapon after running with it for a few more months.
3/19/2011 4:08:44 PM EDT
[#22]
Just got my 512 back... had it for three years, recticle started to get blurry in the lower right corner.. Honestly I didnt even really notice untill I read this thread, as it held zero fine, and unless you moved your head to the left you didnt noitce.. Eotech was exteamly helpfull, even fixed it for free after the warranty was up...
-Certain misery is better than the misery of uncertainty-
3/19/2011 8:17:07 PM EDT
[#23]
I have two 512 rev F

Both purchased used

One ate a pair of batteries in a few weeks but has not done that since.

Other than that one issue just the one time, both have been fine.

Now one sits on a dedicated 22 upper and the other on a regular ol M4gery.

3/19/2011 10:37:35 PM EDT
[#24]
511 revf
battery drain
retical gets dimmer as it moves to the left
3/19/2011 11:51:11 PM EDT
[#25]
552 bought in March 2006 rev F a65.



No issues but I have astigmatism issues. No zero issues. Had issues with battery dying out fast.



3/20/2011 12:20:32 AM EDT
[#26]
Eotech 512A65
Bought it about a year ago from Buds gun shop.

It has worked great, its on a AR now but was on a AK until a week or so ago.
"To my mind it is wholly irresponsible to go into the world incapable of preventing violence, injury, crime, and death. How feeble is the mindset to accept defenselessness. How unnatural. How cheap. How cowardly. How pathetic." -Ted Nugent:
3/20/2011 1:48:19 AM EDT
[#27]
I have a 512 (rev. F, I think).  I have had it for about 6 years and never had a problem with it.  No battery issues whatsoever.  I run Energizer lithiums in it and have changed them maybe twice during that time.  They had plenty of juice left, but I swapped them out for peace of mind.  The rifle is carried for LE/patrol duty and it spends most of the time in the trunk of a crown vic.  This is the second rifle this sight has been mounted on and it has seen many thousands of rounds during its lifetime.
3/20/2011 4:29:01 AM EDT
[#28]
512 X 2 no issues
XPS3 no issues
552 bought used on EE red "line" could be seen from the business end at bottom of glass.  Don't know why.  My other Eo's never had that problem.  Returned to seller.
MEXICO. North America's backed up shitter...
3/20/2011 11:53:58 AM EDT
[#29]
512 Rev. F Purchased 12/09 No problems.
5/16/2011 3:32:38 PM EDT
[#30]
I have a model 512 Rev. F that I bought new in January of 2006. I have never had any problems with it, no battery draining problems nor any issues with turning it on. Granted it hasn't been put through too much hard use, and spends a lot of time in my safe. It has been mounted and used on my Stag 5.56mm, my 6.8mm and as of yesterday my 9mm SBR. All with no problems. Sighting it in has been very easy also.
Better to have and not need than need and not have

Two out of three ain't bad, especially when one of 'em is a head shot.
كافر
5/16/2011 4:44:43 PM EDT
[Last Edit: HK_Shooter_03][Edited] [#31]
Two of them, once I repaired both failures, both were sold on eBay:





512


2006


Battery springs compressed
512



2006


Contacts corroded
 
5/16/2011 7:49:19 PM EDT
[#32]
553, recalled by factory
552, had to pay EoTech for repair, never was told what was wrong (wouldn't power up)
www.gungalleryjax.com
FDCC - www.fldcc.com/
Duffy - "Dang URX Mafia"
5/16/2011 8:19:52 PM EDT
[#33]
EOTech 516 (2009) - no problem

EOTech 552 (2010) - no problem
SPECIALIS CONGREGATIO OBVIAM XVII
NRA Life Member
Proud Member of Team Ranstad
Tennessee Squire
5/16/2011 8:55:04 PM EDT
[#34]
I've got a 512 and an XPS 2-0 and I wouldn't trade them back for an aimpoint for nothing. The eotechs are the only true sight that you can shoot 2 eyes open just like a shotgun. The aimpoint always seems to force me to have tunnel vision and close one eye to focus on the dot and target. I have never felt this way with my eotechs.

Absolutely no battery drains but I've used lithium batteries and No loses of zero. Matter of fact I've taken mine off many times and put them back on to find them no less than 1 MOA out of zero at 100 yards which is awesome.

I have noticed a pattern of problems over the years with the 552 and the n cell eotechs.  I've stayed away from them and I've had no problems.

I will say that I have had no problems mechanically with the aimpoints I've had. There just not what there suppose to be IMO. A true close quarters optic is made for being able to acquire a target with both eyes open fast. I find myself using one eye with aimpoints when I don't with eotechs. If I only wanted to use one eye in a close quarter battle I would just go with an acog and that isn't a true CQB optic.
5/17/2011 12:18:44 AM EDT
[#35]
557 for a few years. No problems. And I don't baby it.
Change the batteries once. Not because I needed too.
Common Sence...Isn't
5/17/2011 3:51:04 PM EDT
[#36]
EOTech 512 Rev. F bought new in 2006-on .223 AR safe queen.  January 2011, battery contact came loose and nitrogen leaked from unit causing it to not be bright enough for some situations.  Sent to EOTech and was either fixed or repaired free.  At first EOTech wanted to charge to fix it, I waited a couple months and requested a new RMA# and told them I bought it new in Jan. 2010 since I had a receipt for newer one and they didn't ask for receipt(no questions asked) and fixed for free.  Showed up in same box but different battery compartment and possibly a few less scratches?

EOTech 512 Rev F? bought new in January of 2010.  No problems but is only used on a dedicated .22LR AR.

Would replace with Aimpoint but don't like the "looking through a tube" feel....
5/17/2011 5:54:31 PM EDT
[#37]
Should I post when EoTech's that we have sold are returned to us for repair?
www.gungalleryjax.com
FDCC - www.fldcc.com/
Duffy - "Dang URX Mafia"
5/17/2011 9:46:53 PM EDT
[Last Edit: xpired][Edited] [#38]
5.11 Rev. F






Bought brand new back around 2008.







From day one it's battery life was much less than advertised, with the optic dieing even if it was not on. A few months after it would not work even when brand new batteries were used.







Called Eotech, under warranty so they repaired it on their dime. Fixed the issue of new batteries not working, but the battery life is still a lot less than it should be.











 
5/17/2011 10:28:53 PM EDT
[#39]
EXPS-2 Opmod w/ built in QD mount.

So far, so good. Fired 325 rd's, detached it, cleaned rifle(BCM Middy) reattached it(still held zero) put another 200 threw it.
I'll keep this updated.
"May God have mercy upon my enemies, because I sure as hell won't".
5/18/2011 11:10:44 AM EDT
[#40]
Eotech 517 not sure of Rev., bought new from Cabela's about three months ago.
Mounted on 6.8spc AR.
Only about 150 rounds through it but no problems.
"Never ascribe malice to a situation that can be explained by ignorance."
5/18/2011 6:11:03 PM EDT
[#41]
Eotech 512.a65 bought used Sept 2010.  

No problems in about 1500 rounds.
5/18/2011 7:35:00 PM EDT
[#42]
eotech 516 have 500 rounds through it and works great
5/19/2011 11:43:57 AM EDT
[#43]
512 rev F, no problems
5/19/2011 4:47:03 PM EDT
[#44]
Eotech 512 Revision F. I have had zero problems with the unit.
5/19/2011 5:04:14 PM EDT
[#45]
512.A65  Bought in 8/06 ARFcom group buy from SKD Tactical -  No Problems.
343
Never Forget
كافر
5/20/2011 8:00:34 AM EDT
[#46]
i had a 512 a year ago i love it but hate the battery life if the fix that i will get a new one
5/21/2011 11:00:13 PM EDT
[#47]
A 512.A65 Rev C. No problems yet.
5/21/2011 11:26:57 PM EDT
[#48]
512 rev F

No problems
"Extremism in the defense of liberty is no vice. ... Moderation in the pursuit of justice is no virtue."

http://nebraskafirearms.org/
5/21/2011 11:45:51 PM EDT
[#49]
512 rev F. I have had it for at least 3 years. I use lithium batteries and have had no problems.
" Resistance to Tyrants is Obedience to God"- Thomas Jefferson
5/22/2011 1:42:38 AM EDT
[#50]
Originally Posted By 1811guy:
512 rev F, no problems


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